G. Cesarini

Measurements of the Higgs boson production, fiducial and differential cross-sections in the four lepton decay channel using 164 fb $^{- 1}$ of data collected at $s$ = 13.6 TeV with the ATLAS detector

ATLAS Collaboration

Inclusive, differential and production-mode cross-section measurements of the Higgs boson are performed in the $H \to Z Z^{*} \to 4 ℓ$ decay channel. The analysis uses proton-prot…

Effective field theory interpretation of ATLAS measurements involving the Higgs boson, electroweak bosons and the top quark

ATLAS Collaboration

Wilson coefficients in dimension-six effective field theory are constrained in a combined fit to several ATLAS measurements. These inputs probe Higgs-boson processes across multipl…

Missing-mass search in forward-proton-tagged dilepton events with the ATLAS detector

ATLAS Collaboration

A search is conducted in proton-proton collisions at the Large Hadron Collider for photon-induced production $pp \to pp + γ γ, (γ γ \to V X)$ of a visible particle $V$ de…

Evidence of Higgs boson inclusive production at high transverse momentum decaying to a pair of $b$ -quarks with the ATLAS detector

ATLAS Collaboration

This letter reports on the first evidence of Higgs-boson production at high transverse momentum in the $b b ˉ$ final state, reconstructed in a single large-radius jet. The resul…

Measurement of the $∣ V_{c b} ∣$ element of the CKM matrix in $t t ˉ$ decays with the ATLAS detector

ATLAS Collaboration

The first measurement of the magnitude of the CKM quark mixing matrix element $∣ V_{c b} ∣$ using on-shell $W$ -boson decays is presented. The measurement is made with $t t ˉ$ event…

Search for Higgs boson pair production in association with top-quark pairs using 196 fb $^{- 1}$ of proton-proton collision data at $s =$ 13 and 13.6 TeV with the ATLAS detector

ATLAS Collaboration

This paper presents the first search for non-resonant Higgs boson pair production in association with a top-quark pair ( $t t ˉ H H$ ) using proton-proton collision data collected w…

hep-ex2026★ 1 cited

Search for long-lived charginos and $τ$ -sleptons using final states with a disappearing track in $pp$ collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

This paper reports a search for decays of long-lived charginos or $τ$ -sleptons to final states containing a short disappearing track, a single high-energy jet, and missing transver…

Search for massive, long-lived particles in events with displaced vertices and displaced muons in $pp$ collisions at $s = 13.6$ TeV with the ATLAS experiment

ATLAS Collaboration

A search is presented for massive long-lived particles in events featuring at least one displaced vertex and at least one displaced muon, using proton-proton collision data collect…

Search for dimuon resonance in the 35 to 75 GeV mass range using 140 fb $^{- 1}$ of 13 TeV $pp$ collisions with the ATLAS detector

ATLAS Collaboration

A model-independent search for low-mass resonances decaying into pairs of oppositely charged muons is presented. The analysis uses proton-proton collision data corresponding to an…

Measurement of the top-quark mass using decays with a $J / ψ$ meson at $s =$ 13 TeV with the ATLAS detector

ATLAS Collaboration

The top-quark mass is measured using top-quark decays producing an isolated lepton and $J / ψ$ meson reconstructed in its $μ^{+} μ^{-}$ decay mode. The data sample was recorded with the A…

Search for signatures of electroweakinos with photons, jets, and large missing transverse momentum in $s = 13$ TeV pp collisions with the ATLAS detector

ATLAS Collaboration

A search for final states characterised by at least one isolated high transverse-momentum photon, jets and large missing transverse momentum is presented. Such a final state might…

Constraints on effective field theories via quadruple-differential angular decay rates from $t$ -channel single-top-quark production at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

Events with $t$ -channel single top quarks are used to probe effective field theory operators in $s = 13$ TeV proton-proton collision data corresponding to 140 fb $^{- 1}$ record…

Search for emerging jets in $pp$ collisions at $s = 13$ TeV with the ATLAS experiment

ATLAS Collaboration

A search is presented for emerging jets using 140 fb $^{- 1}$ of proton-proton collision data at $s = 13$ TeV, collected by the ATLAS experiment between 2015 and 2018. The sea…

Search for Higgs bosons produced in association with a high-energy photon via vector-boson fusion and decaying to a pair of $b$ -quarks in the ATLAS detector

ATLAS Collaboration

A search for Standard Model Higgs bosons produced in association with a high-energy photon and decaying to $b b ˉ$ is performed using 133 fb $^{- 1}$ of $s = 13$ TeV $pp$ col…

Search for heavy neutral leptons in decays of W bosons produced in 13 TeV pp collisions using prompt signatures in the ATLAS detector

ATLAS Collaboration

The existence of right-handed neutrinos with Majorana masses below the electroweak scale could help address the origins of neutrino masses, the matter-antimatter asymmetry, and dar…

Search for Beyond the Standard Model physics with anomaly detection in multilepton final states in $pp$ collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

A model-agnostic search for Beyond the Standard Model physics is presented, targeting final states with at least four light leptons (electrons or muons). The search regions are sep…

hep-ex2025★ 3 cited

Evidence for the dimuon decay of the Higgs boson in pp collisions with the ATLAS detector

ATLAS Collaboration

A search for the dimuon decay of the Higgs boson is presented based on pp collision data recorded by ATLAS during Run 3 of the Large Hadron Collider, corresponding to an integrated…

Search for decays of the Higgs boson into scalar particles decaying into four or six $b$ -quarks using $pp$ collisions at $s = 13 TeV$ with the ATLAS detector

ATLAS Collaboration

A search for exotic decays of the Higgs boson $H$ into new scalar or pseudoscalar particles that subsequently decay into $b$ -quarks is presented. The search considers $Z H$ producti…

Observation of $t t ˉ γ γ$ production at $s =$ 13 TeV with the ATLAS detector

ATLAS Collaboration

This paper presents the first observation of top-quark pair production in association with two photons ( $t t ˉ γ γ$ ). The measurement is performed in the single-lepton decay chann…

hep-ex2025★ 3 cited

Transforming jet flavour tagging at ATLAS

ATLAS Collaboration

Jet flavour tagging enables the identification of jets originating from heavy-flavour quarks in proton-proton collisions at the Large Hadron Collider, playing a critical role in it…

hep-ex2025★ 2 cited

A continuous calibration of the ATLAS flavour-tagging classifiers via optimal transportation maps

ATLAS Collaboration

A calibration of the ATLAS flavour-tagging algorithms using a new calibration procedure based on optimal transportation maps is presented. Simultaneous, continuous corrections to t…

Observation of double parton scattering in same-sign W boson pair production in pp collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

This letter reports the measurement of double parton scattering in same-sign W boson pair production with the ATLAS detector. The data set used corresponds to an integrated luminos…